This is a new type smartphone holder with a built-in mount from German car accessory brand "HERBERT RICHTER". Strong suction cup attaches to any flat surface such as window The holder rotates 360 degrees, so you can adjust it to a position that is easy to view both vertically and horizontally. Width: 5.8 cm? Securely hold your 8.4 cm smartphone with three arms. There is also a clip on the back to secure the cable Vibration-free mounting system